Title of post: What is Architectural Design?

a science and a business. It has been described as a social art and also an artful science. Architecture must be of the highest quality of design.

-http://www.raic.org/architecture_architects/what_is_architecture/index_e.htm

2. The style of a building with regard to a specific period, place, or culture.

google

3. The art and science of designing and erecting buildings.

teh free dictionary http://www.thefreedictionary.com/architecture